In general when looking for the cheapest flight to Islamabad, try to book your flight during the month of November for the best deal.
On average, from most locations, when planning your trip to Islamabad, try to book your flight in the region of 37 days in advance for the cheapest prices.
On average, the cheapest flights to Islamabad are found when departing on a Monday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
Typically, cheap prices to Islamabad are most often found for midday flights. Cheap prices are less likely for afternoon flights.